Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 23, 2026, 10:03 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 169–192 of 303 matching trials from the live ClinicalTrials.gov search.
Conditions
Cognition Disorders in Old Age, Mild Cognitive Impairment, Cognitive Decline
Interventions
Niagen, Placebo Comparator
Dietary Supplement
Lead sponsor
Steven E Arnold, MD
Other
Eligibility
60 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Charlestown, Massachusetts
Conditions
Intra Cerebral Hemorrhage, ICH - Intracerebral Hemorrhage, ICH, Hemorrhage, Stroke, Clot (Blood); Brain, Clot Blood, Cognitive Decline, Cognitive Impairment, Survivorship, Memory Impairment, Motor Activity
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
Not listed
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
26
States / cities
Birmingham, Alabama • La Jolla, California • Sacramento, California + 21 more
Conditions
Insomnia, Cognitive Dysfunction, Mild Cognitive Impairment, Sleep Initiation and Maintenance Disorders, Sleep Disorders, Intrinsic, Dyssomnias, Sleep Wake Disorders, Nervous System Diseases, Alzheimer Disease
Interventions
SHUTi OASIS, Patient Education
Behavioral · Other
Lead sponsor
University of Virginia
Other
Eligibility
65 Years and older
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Charlottesville, Virginia
Conditions
Age-Related Memory Disorders
Interventions
ispronicline (nicotinic acetylcholine receptor agonist)
Drug
Lead sponsor
Targacept Inc.
Industry
Eligibility
50 Years to 80 Years
Enrollment
174 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
15
States / cities
Mesa, Arizona • Peoria, Arizona • Denver, Colorado + 12 more
Completed No phase listed Observational Accepts healthy volunteers

Endoprosthesis Metal Toxicity Study

NCT04755140
Conditions
Bone Tumor, Cancer of Bone, Heart Diseases, Cognitive Impairment, Cognitive Decline, Chemotherapy Effect, Memory Problem
Interventions
Questionnaires, Interviews, Blood Test, Echocardiogram
Behavioral · Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 100 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Completed Phase 1Phase 2 Interventional Results available

Senolytic Therapy to Modulate Progression of Alzheimer's Disease

NCT04063124
Conditions
Alzheimer Disease
Interventions
Dasatinib + Quercetin
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
65 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
San Antonio, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Interventions to Attenuate Cognitive Decline: Keys to Staying Sharp

NCT03528486
Conditions
Mild Cognitive Impairment, Age-related Cognitive Decline
Interventions
Music Training I
Behavioral
Lead sponsor
University of South Florida
Other
Eligibility
60 Years and older
Enrollment
268 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Tampa, Florida
Recruiting Phase 3 Interventional Accepts healthy volunteers

Biomarker Exploration in Aging, Cognition and Neurodegeneration

NCT03860857
Conditions
Alzheimer Disease, Cognitive Impairment, Cognitive Decline
Interventions
Amyloid PET scan, Tau PET scan using MK-6240, Neurocognitive testing, MRI
Radiation · Drug · Behavioral + 1 more
Lead sponsor
University of California, Irvine
Other
Eligibility
60 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2027
U.S. locations
1
States / cities
Irvine, California
Conditions
Alzheimer Disease, Mild Cognitive Impairment (MCI), Subjective Cognitive Decline (SCD)
Interventions
natural product combination-1 (NPC1)
Combination Product
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
55 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers Results available

Movement Intervention for Memory Enhancement

NCT03475316
Conditions
Alzheimer Disease, Dementia, Cognitive Decline, Cognitive Impairment, Dementia, Alzheimer Type
Interventions
Social Dancing, Treadmill Walking
Behavioral
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
65 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
The Bronx, New York
Conditions
Postoperative Cognitive Decline, Postoperative Delirium
Interventions
Daridorexant 50 mg, Placebo
Drug · Other
Lead sponsor
University of Rochester
Other
Eligibility
60 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Rochester, New York
Completed Not applicable Interventional Accepts healthy volunteers

Exercise, Age-Related Memory Decline, And Hippocampal Function

NCT01329653
Conditions
Cognitive Deterioration, Disorder of Aging
Interventions
aerobic training, Wait list
Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
20 Years to 75 Years
Enrollment
233 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2019
U.S. locations
1
States / cities
New York, New York
Conditions
Healthy
Interventions
NeuroQ
Dietary Supplement
Lead sponsor
LifeSeasons Inc.
Industry
Eligibility
45 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
2
States / cities
Studio City, California • Flower Mound, Texas
Recruiting Not applicable Interventional Accepts healthy volunteers

TMS for Cognitive Decline in Aging and Preclinical AD

NCT06956300
Conditions
Prodromal Alzheimer's Disease, Preclinical Alzheimer's Disease, Healthy Aging, Cognitive Decline
Interventions
Active rTMS, Sham rTMS
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
40 Years to 99 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Recruiting Not applicable Interventional Accepts healthy volunteers

Cognitive Screening Made Easy for PCPs - Administrative Supplement

NCT06928298
Conditions
Cognitive Impairment, Cognitive Decline, Dementia, Mild
Interventions
RACS app
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
60 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
3
States / cities
Austin, Texas • San Antonio, Texas
Conditions
Cognitive Decline, Cognitive Function
Interventions
MindMD Supplement, Placebo
Dietary Supplement · Other
Lead sponsor
Scale Media Inc
Industry
Eligibility
50 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Santa Monica, California
Conditions
Mild Cognitive Impairment, Major Depressive Disorder, Alzheimer's Disease
Interventions
es-citalopram, Memantine
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
50 Years to 90 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
New York, New York
Conditions
Mild Cognitive Impairment, Diabetes
Interventions
Diabetes Regulation for Eyesight and Memory, Enhanced Usual Care
Behavioral
Lead sponsor
Thomas Jefferson University
Other
Eligibility
65 Years and older
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Virtual Reality-based Mindful Movement Therapy for Seniors

NCT06334328
Conditions
Cognitive Decline, Physical Activity, Psychological Wellbeing
Interventions
Virtual reality based mindful movement therapy
Behavioral
Lead sponsor
Drexel University
Other
Eligibility
65 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Mild Cognitive Impairment, Dementia
Interventions
bosutinib
Drug
Lead sponsor
Neurological Associates of West Los Angeles
Other
Eligibility
45 Years to 89 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
1
States / cities
Santa Monica, California
Conditions
Mild Cognitive Impairment, Memory Disorders, Memory Impairment, Cognitive Impairment, Cognitive Disorder, Cognitive Decline
Interventions
Computerized Cognitive Training, Crossword Puzzles
Other
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
55 Years to 95 Years
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
2
States / cities
New York, New York • Durham, North Carolina
Completed No phase listed Observational Accepts healthy volunteers

Early Markers of Cognitive Change and Alzheimer s Disease

NCT01867346
Conditions
Alzheimer's Disease
Interventions
Not listed
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
60 Years and older
Enrollment
2,850 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Terminated Not applicable Interventional Results available

Remote Preconditioning Over Time To Empower Cerebral Tissue

NCT02169739
Conditions
Ischemic Stroke, Cerebral Small Vessel Disease, Cognitive Decline
Interventions
Ischemic Preconditioning
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
40 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Type2diabetes, Mild Cognitive Impairment, Age-related Cognitive Decline
Interventions
Progressive Exercise Program (12 Weeks)
Other
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
55 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Galveston, Texas